Page 7
4QD series controller instructions.
F
u
s
e
2
0
1
1
B-
M
-
B+
B+
M
+
B-
1
0
R
1
0
R
1
0
R
33
0p
1
0
R
10n
10n
Motor
Speed
Forward
Reverse
Ignition
Pin D is b (via fuse)
Ignition applies battery to pin C to power up controller
Motor +
Motor -
Battery -
Z
14 13 12 11 10 9 8 7 6 5 4 3 2 1
ABCDEF
ABCD
CBA
Red
Red
Black
Green
Blue
Yellow
A B C D E F
A B C D
B
White
Optional alternative
reversing switch
feed to
(replaces Red wire)
24, 36 or 48v
Battery
9
Wiring
¶ Reverse Speed.
As supplied, maximum reverse speed is slightly less
than half forward speed. On the top board (marked on
the features diagram) there is a pinstrip and ‘header’
link which may be unplugged With the header
removed, reverse speed will be the same as forward
speed. It is also possible to alter a single resistor to
give a different reverse speed. Contact 4QD for
assistance.
¶ Regen brake defeat.
It is possible to defeat the regenerative braking by
linking out the point indicated (Brake defeat) on the
features diagram. This should only be attempted by
those proficient with a soldering iron!
Other adjustments
Several other performance parameters could be
altered by changing components: contact the factory
for assistance.
The simplest possible
wiring is as shown in the
diagram below.
Individual points are
covered in notes which
follow.
